Graphics power savings system and method

a technology of power saving and graphics, applied in the field of graphic power saving system and method, can solve the problems of consuming power of electronic systems designed to produce these results, draining resources, and often limited energy resources of these devices, and achieve the effect of convenient utilization of flexible and efficient power saving in graphics systems

a technology of power saving and graphics, applied in the field of graphic power saving system and method, can solve the problems of consuming power of electronic systems designed to produce these results, draining resources, and often limited energy resources of these devices, and achieve the effect of convenient utilization of flexible and efficient power saving in graphics systems

US7256788B1Inactive Publication Date: 2007-08-14NVIDIA CORP
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  • Graphics power savings system and method
  • Graphics power savings system and method
  • Graphics power savings system and method

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Embodiment Construction

[0015]Reference will now be made in detail to the preferred embodiments of the invention, a power saving system and method, examples of which are illustrated in the accompanying drawings. While the invention will be described in conjunction with the preferred embodiments, it will be understood that they are not intended to limit the invention to these embodiments. On the contrary, the invention is intended to cover alternatives, modifications and equivalents, which may be included within the spirit and scope of the invention as defined by the appended claims. Furthermore, in the following detailed description of the present invention, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be obvious to one ordinarily skilled in the art that the present invention may be practiced without these specific details. In other instances, well known methods, procedures, components, and circuits have not been described i...

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Abstract

The present invention facilitates utilization of flexible and efficient power savings in graphics systems. A graphics power management method loads a first set of graphics commands from a CPU into a GPU at the beginning of a frame cycle. The CPU is put into a power saving mode after the loading is complete. The GPU processes the commands and forwards the results to a graphics buffer. The display begins the presentation of the data at the beginning of the following refresh cycle. The CPU leaves the power savings mode at end of the frame cycle to begin loading a second set of commands. The CPU recognizes the end of the frame cycle by counting a predetermined number of frame flip interrupt requests. After the CPU counts the predetermined number of frame flip interrupt requests the CPU begins to communicate additional graphics commands and then returns to the power savings mode.

Description

FIELD OF THE INVENTION[0001]The present invention relates to the field of power savings in electronic devices. More particularly, the present invention relates to a system and method for saving power when engaging in graphics activities.BACKGROUND OF THE INVENTION[0002]Electronic systems and circuits have made a significant contribution towards the advancement of modern society and are utilized in a number of applications to achieve advantageous results. Numerous electronic technologies such as digital computers, calculators, audio devices, video equipment, and telephone systems facilitate increased productivity and cost reduction in analyzing and communicating data, ideas and trends in most areas of business, science, education and entertainment. Typically, electronic systems designed to produce these results consume power. However, energy resources for these devices are often limited and expended quickly (e.g., battery power sources in portable devices such as a laptop computer). ...

Claims

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Application Information

Patent Timeline
14 Aug 2007
Publication
US7256788B1
IPC
G06T1/00; G06F1/26; G06F1/30; G06T15/00; G06F1/28; G06F1/32; G06F15/16
CPC
G06F1/3203; G06F1/3243; G06T1/20; Y02B60/1239; Y02D10/00
Inventors
LUU, VIET-TAM; PUEY, PAUL